/*
 * Copyright (C) 2011-2012 Free Software Foundation, Inc.
 *
 * Author: Nikos Mavrogiannopoulos
 *
 * This file is part of GnuTLS.
 *
 * The GnuTLS is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 3 of
 * the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */

/* copied from lib/includes/gnutls/gnutls.h.in */

/**
 * gnutls_ecc_curve_t:
 * @GNUTLS_ECC_CURVE_INVALID: Cannot be known
 * @GNUTLS_ECC_CURVE_SECP192R1: the SECP192R1 curve
 * @GNUTLS_ECC_CURVE_SECP224R1: the SECP224R1 curve
 * @GNUTLS_ECC_CURVE_SECP256R1: the SECP256R1 curve
 * @GNUTLS_ECC_CURVE_SECP384R1: the SECP384R1 curve
 * @GNUTLS_ECC_CURVE_SECP521R1: the SECP521R1 curve
 *
 * Enumeration of ECC curves.
 */
typedef enum
{
  GNUTLS_ECC_CURVE_INVALID=0,
  GNUTLS_ECC_CURVE_SECP224R1,
  GNUTLS_ECC_CURVE_SECP256R1,
  GNUTLS_ECC_CURVE_SECP384R1,
  GNUTLS_ECC_CURVE_SECP521R1,
  GNUTLS_ECC_CURVE_SECP192R1,
} gnutls_ecc_curve_t;

/* copied lib/algorithms.h */

/* ECC */
struct gnutls_ecc_curve_entry_st
{
  const char *name;
  const char* oid;
  gnutls_ecc_curve_t id;
  int tls_id; /* The RFC4492 namedCurve ID */
  int size; /* the size in bytes */

  /** The prime that defines the field the curve is in (encoded in hex) */
  const char *prime;
  /** The fields A param (hex) */
  const char *A;
  /** The fields B param (hex) */
  const char *B;
  /** The order of the curve (hex) */
  const char *order;
  /** The x co-ordinate of the base point on the curve (hex) */
  const char *Gx;
  /** The y co-ordinate of the base point on the curve (hex) */
  const char *Gy;
};
typedef struct gnutls_ecc_curve_entry_st gnutls_ecc_curve_entry_st;

/* copied from lib/algorithms/ecc.c */

/* Supported ECC curves
 */

static const gnutls_ecc_curve_entry_st ecc_curves[] = {
  {
    .name = "SECP192R1",
    .oid = "1.2.840.10045.3.1.1",
    .id = GNUTLS_ECC_CURVE_SECP192R1,
    .tls_id = 19,
    .size = 24,
    .prime = "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF",
    .A = "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFC",
    .B = "64210519E59C80E70FA7E9AB72243049FEB8DEECC146B9B1",
    .order = "FFFFFFFFFFFFFFFFFFFFFFFF99DEF836146BC9B1B4D22831",
    .Gx =    "188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF1012",
    .Gy =    "07192B95FFC8DA78631011ED6B24CDD573F977A11E794811"
  },
  {
    .name = "SECP224R1",
    .oid = "1.3.132.0.33",
    .id = GNUTLS_ECC_CURVE_SECP224R1,
    .tls_id = 21,
    .size = 28,
    .prime = "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000001",
    .A = "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE",
    .B = "B4050A850C04B3ABF54132565044B0B7D7BFD8BA270B39432355FFB4",
    .order = "FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D",
    .Gx =    "B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21",
    .Gy =    "BD376388B5F723FB4C22DFE6CD4375A05A07476444D5819985007E34",
  },
  {
    .name = "SECP256R1",
    .oid = "1.2.840.10045.3.1.7",
    .id = GNUTLS_ECC_CURVE_SECP256R1,
    .tls_id = 23,
    .size = 32,
    .prime = "FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF",
    .A = "FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFC",
    .B = "5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B",
    .order = "FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E84F3B9CAC2FC632551",
    .Gx = "6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296",
    .Gy = "4FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5",
  },
  {
    .name = "SECP384R1",
    .oid = "1.3.132.0.34",
    .id = GNUTLS_ECC_CURVE_SECP384R1,
    .tls_id = 24,
    .size = 48,
    .prime = "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFF",
    .A = "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFC",
    .B = "B3312FA7E23EE7E4988E056BE3F82D19181D9C6EFE8141120314088F5013875AC656398D8A2ED19D2A85C8EDD3EC2AEF",
    .order = "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC7634D81F4372DDF581A0DB248B0A77AECEC196ACCC52973",
    .Gx = "AA87CA22BE8B05378EB1C71EF320AD746E1D3B628BA79B9859F741E082542A385502F25DBF55296C3A545E3872760AB7",
    .Gy = "3617DE4A96262C6F5D9E98BF9292DC29F8F41DBD289A147CE9DA3113B5F0B8C00A60B1CE1D7E819D7A431D7C90EA0E5F"
  },
  {
    .name = "SECP521R1",
    .oid = "1.3.132.0.35",
    .id = GNUTLS_ECC_CURVE_SECP521R1,
    .tls_id = 25,
    .size = 66,
    .prime = "01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
    .A = "01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC",
    .B = "0051953EB9618E1C9A1F929A21A0B68540EEA2DA725B99B315F3B8B489918EF109E156193951EC7E937B1652C0BD3BB1BF073573DF883D2C34F1EF451FD46B503F00",
    .order = "01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFA51868783BF2F966B7FCC0148F709A5D03BB5C9B8899C47AEBB6FB71E91386409",
    .Gx =    "00C6858E06B70404E9CD9E3ECB662395B4429C648139053FB521F828AF606B4D3DBAA14B5E77EFE75928FE1DC127A2FFA8DE3348B3C1856A429BF97E7E31C2E5BD66",
    .Gy =    "011839296A789A3BC0045C8A5FB42C7D1BD998F54449579B446817AFBD17273E662C97EE72995EF42640C550B9013FAD0761353C7086A272C24088BE94769FD16650",
  },
  {0, 0, 0}
};

#define GNUTLS_ECC_CURVE_LOOP(b) \
	{ const gnutls_ecc_curve_entry_st *p; \
                for(p = ecc_curves; p->name != NULL; p++) { b ; } }
